Internally illuminated sign housing



FIG. 1 is a top plan view of an internally illuminated sign housingshowing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a side elevational view of the left side thereof.

The right side of the internally illuminated sign housing is a mirrorimage of the left side thereof.

The fragmentary disclosure of the conventional cord in FIGS. 1, 3 and 4is for convenience of illustration.

The ornamental design for an internally illuminated sign housing,substantially as shown and described.